Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

77°F

25°C

Humidity	61%
Wind Speed	S 15 mph
Barometer	30.00 in
Dewpoint	63°F (17°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	25 Dec 3:50 pm CST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

4 Miles NE Collinsville TX

Tonight
Low: 61 °F
Partly Cloudy
Friday
High: 81 °F
Sunny
Friday Night
Low: 61 °F
Mostly Clear
Saturday
High: 78 °F
Mostly Sunny
Saturday Night
Low: 64 °F
Mostly Cloudy
Sunday
High: 75 °F
Partly Sunny
then Slight
Chance
Showers
Sunday Night
Low: 30 °F
Slight Chance
Showers then
Mostly Cloudy
Monday
High: 42 °F
Partly Sunny
Monday Night
Low: 25 °F
Mostly Cloudy

Detailed Forecast

Tonight

Partly cloudy, with a low around 61. South wind around 10 mph, with gusts as high as 20 mph.

Friday

Sunny, with a high near 81. Southwest wind 5 to 10 mph.

Friday Night

Mostly clear, with a low around 61. South wind 5 to 10 mph.

Saturday

Mostly sunny, with a high near 78. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

Saturday Night

Mostly cloudy, with a low around 64. South wind 10 to 15 mph, with gusts as high as 20 mph.

Sunday

A 20 percent chance of showers after noon. Partly sunny, with a high near 75. South southwest wind around 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.

Sunday Night

A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 30. North wind 15 to 20 mph, with gusts as high as 25 mph.

Monday

Partly sunny, with a high near 42. North wind 10 to 20 mph, with gusts as high as 25 mph.

Monday Night

Mostly cloudy, with a low around 25. North wind 5 to 10 mph.

Tuesday

Mostly sunny, with a high near 47.

Tuesday Night

Partly cloudy, with a low around 32.

Wednesday

Mostly sunny, with a high near 57.